package com.xuecheng.web.interceptor;

import com.alibaba.fastjson.JSON;
import com.xuecheng.commons.model.vo.AuthInfo;
import com.xuecheng.commons.utils.AuthInfoHolder;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class AuthInfoInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token = request.getHeader("payload");
        AuthInfo authInfo = JSON.parseObject(token, AuthInfo.class);
        AuthInfoHolder.setAuthInfo(authInfo);
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        AuthInfoHolder.remove();
    }
}
